Home / 7,820.17-10,791.80-4,463.02

Finding the Fourth Proportional to 7,820.17, 10,791.80 and 4,463.02

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Solution

The fourth proportional to 7,820.17, 10,791.80 and 4,463.02 is: 6,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.17 : 10,791.80 = 4,463.02 : x
  2. Step 2: Convert to fraction form
    7,820.17/10,791.80 = 4,463.02/x
  3. Step 3: Cross multiply
    7,820.17x = 10,791.80 × 4,463.02
  4. Step 4: Simplify right side
    7,820.17x = 48,164,027.15
  5. Step 5: Solve for x
    x = 48,164,027.15/7,820.17
  6. Step 6: Final answer
    x = 6,158.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.